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watchdog: ep93xx_wdt: Use devm_ioremap_resource() 

Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because the value is checked by devm_ioremap_resource().

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Jingoo Han 2014-02-11 21:41:54 +09:00 committed by Wim Van Sebroeck
parent a17fb5cbee
commit 4f6120b014
1 changed files with 3 additions and 10 deletions
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13
drivers/watchdog/ep93xx_wdt.c
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@ -118,16 +118,9 @@ static int ep93xx_wdt_probe(struct platform_device *pdev)
int err; int err;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) mmio_base = devm_ioremap_resource(&pdev->dev, res);
return -ENXIO; if (IS_ERR(mmio_base))
return PTR_ERR(mmio_base);
if (!devm_request_mem_region(&pdev->dev, res->start,
resource_size(res), pdev->name))
return -EBUSY;
mmio_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!mmio_base)
return -ENXIO;
if (timeout < 1 || timeout > 3600) { if (timeout < 1 || timeout > 3600) {
timeout = WDT_TIMEOUT; timeout = WDT_TIMEOUT;